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kernel: profiling infrastructure

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Matheus
2025-12-05 18:19:42 -03:00
parent d10295dcdf
commit 40bbf217ee
19 changed files with 595 additions and 3 deletions
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kernel-src/arch/x86-64/apic.c
+4
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@@ -129,6 +129,10 @@ static void writeiored(void *ioapic, uint8_t entry, uint8_t vector, uint8_t deli
writeioapic(ioapic, 0x11 + entry * 2, (uint32_t)dest << 24);
}
void arch_apic_init_perf(void) {
writelapic(APIC_LVT_PERFORMANCE, LVT_DELIVERY_NMI);
}
void arch_ioapic_setirq(uint8_t irq, uint8_t vector, uint8_t proc, bool masked) {
// default settings for ISA irqs
uint8_t polarity = 1; // active high